<template>
  <div class="app-container">
    <el-card class="box-card" shadow="false">
      <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
        <el-form-item label="模型名称" prop="modelName">
          <el-input v-model="queryParams.modelName" placeholder="请输入模型名称" clearable size="small"
            @keyup.enter.native="handleQuery" />
        </el-form-item>
        <el-form-item label="流程分类" prop="category">
          <el-select v-model="queryParams.category" clearable placeholder="请选择" size="small">
            <el-option v-for="item in categoryOptions" :key="item.categoryId" :label="item.categoryName"
              :value="item.code">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" icon="el-icon-search" size="small" @click="handleQuery">搜索</el-button>
          <el-button icon="el-icon-refresh" size="small" @click="resetQuery">重置</el-button>
        </el-form-item>
      </el-form>

      <el-row :gutter="10" class="mb8">
        <!-- <el-col :span="1.5">
          <el-button
            type="primary"
            icon="el-icon-plus"
            size="small"
            @click="handleAdd"
            v-hasPermi="['workflow:model:add']"
            >新增</el-button
          >
        </el-col> -->
        <el-col :span="1.5">
          <el-button type="danger" plain icon="el-icon-delete" size="small" :disabled="multiple" @click="handleDelete"
            v-hasPermi="['workflow:model:remove']">删除</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button type="warning" icon="el-icon-download" size="small" @click="handleExport"
            v-hasPermi="['workflow:model:export']">导出</el-button>
        </el-col>
        <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
      </el-row>

      <el-table v-loading="loading" fit :data="modelList" @selection-change="handleSelectionChange" border>
        <el-table-column type="selection" width="55" align="center" />
        <el-table-column label="模型名称" align="left" :show-overflow-tooltip="true">
          <template slot-scope="scope">
            <el-button type="text" @click="handleProcessView(scope.row)">
              <span>{{ scope.row.modelName }}</span>
            </el-button>
          </template>
        </el-table-column>
        <el-table-column label="流程分类" align="center" prop="categoryName" :formatter="categoryFormat" />
        <el-table-column label="模型版本" align="center">
          <template slot-scope="scope">
            <el-tag size="medium">v{{ scope.row.version }}</el-tag>
          </template>
        </el-table-column>
        <el-table-column label="描述" align="left" prop="description" :show-overflow-tooltip="true" />
        <el-table-column label="创建时间" align="center" prop="createTime" width="180" />
        <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
          <template slot-scope="scope">
            <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
              v-hasPermi="['workflow:model:edit']">修改</el-button>
            <el-button type="text" size="mini" icon="el-icon-brush" @click="handleDesigner(scope.row)"
              v-hasPermi="['workflow:model:designer']">设计</el-button>
            <el-button type="text" size="mini" icon="el-icon-video-play" v-hasPermi="['workflow:model:deploy']"
              @click.native="handleDeploy(scope.row)">部署</el-button>
            <el-button type="text" size="mini" icon="el-icon-delete" v-hasPermi="['workflow:model:remove']"
              style="color:red" @click.native="handleDelete(scope.row)">删除
            </el-button>
            <el-dropdown size="mini" v-hasPermi="[
              'workflow:model:query',
              'workflow:model:list',
              'workflow:model:remove',
            ]">
              <el-button size="mini" type="text" icon="el-icon-d-arrow-right">更多</el-button>
              <el-dropdown-menu slot="dropdown">
                <el-dropdown-item icon="el-icon-view" @click.native="handleProcessView(scope.row)"
                  v-hasPermi="['workflow:model:query']">流程图</el-dropdown-item>
                <el-dropdown-item icon="el-icon-price-tag" @click.native="handleHistory(scope.row)"
                  v-hasPermi="['workflow:model:list']">历史</el-dropdown-item>
                <!-- <el-dropdown-item
                  icon="el-icon-delete"
                  @click.native="handleDelete(scope.row)"
                  v-hasPermi="['workflow:model:remove']"
                  >删除</el-dropdown-item
                > -->
              </el-dropdown-menu>
            </el-dropdown>
          </template>
        </el-table-column>
      </el-table>

      <pagination v-show="total > 0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize"
        @pagination="getList" />

      <!--  添加或修改模型信息对话框  -->
      <el-dialog :title="title" :visible.sync="open" width="30%" append-to-body @close="cancel()">
        <el-form ref="form" :model="form" :rules="rules" label-width="80px">
          <el-form-item label="模型标识" prop="modelKey">
            <el-input v-model="form.modelKey" clearable disabled />
          </el-form-item>
          <el-form-item label="模型名称" prop="modelName">
            <el-input v-model="form.modelName" clearable :disabled="form.modelId !== undefined" />
          </el-form-item>
          <el-form-item label="流程分类" prop="category">
            <el-select v-model="form.category" placeholder="请选择" clearable style="width: 100%">
              <el-option v-for="item in categoryOptions" :key="item.categoryId" :label="item.categoryName"
                :value="item.code" />
            </el-select>
          </el-form-item>
          <el-form-item label="描述" prop="description">
            <el-input v-model="form.description" type="textarea" placeholder="请输入内容" maxlength="200" show-word-limit />
          </el-form-item>
        </el-form>
        <div slot="footer" class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel()">取 消</el-button>
        </div>
      </el-dialog>

      <!-- 流程图 -->
      <el-dialog :title="processView.title" :visible.sync="processView.open" width="70%" append-to-body>
        <process-viewer :key="`designer-${processView.index}`" :xml="processView.xmlData" :style="{ height: '400px' }" />
      </el-dialog>

      <el-dialog title="模型历史" :visible.sync="history.open" width="70%">
        <el-table v-loading="history.loading" fit :data="historyList" @selection-change="handleSelectionChange" border>
          <el-table-column type="selection" width="55" align="center" />
          <el-table-column label="模型名称" align="left" :show-overflow-tooltip="true">
            <template slot-scope="scope">
              <el-button type="text" @click="handleProcessView(scope.row)">
                <span>{{ scope.row.modelName }}</span>
              </el-button>
            </template>
          </el-table-column>
          <el-table-column label="流程分类" align="center" prop="categoryName" :formatter="categoryFormat" />
          <el-table-column label="模型版本" align="center">
            <template slot-scope="scope">
              <el-tag size="medium">v{{ scope.row.version }}</el-tag>
            </template>
          </el-table-column>
          <el-table-column label="描述" align="left" prop="description" :show-overflow-tooltip="true" />
          <el-table-column label="创建时间" align="center" prop="createTime" width="180" />
          <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
            <template slot-scope="scope">
              <el-button type="text" size="mini" icon="el-icon-video-play" v-hasPermi="['workflow:model:deploy']"
                @click.native="handleDeploy(scope.row)">部署</el-button>
              <el-button type="text" size="mini" icon="el-icon-star-off" v-hasPermi="['workflow:model:save']"
                @click.native="handleLatest(scope.row)">设为最新</el-button>
            </template>
          </el-table-column>
        </el-table>

        <pagination v-show="historyTotal > 0" :total="historyTotal" :page.sync="queryHistoryParams.pageNum"
          :limit.sync="queryHistoryParams.pageSize" @pagination="getHistoryList" />
      </el-dialog>

      <el-dialog :title="designerData.title" :visible.sync="designerOpen" append-to-body fullscreen>
        <process-designer :key="designerOpen" style="border: 1px solid rgba(0, 0, 0, 0.1)" ref="modelDesigner"
          v-loading="designerData.loading" :bpmnXml="designerData.bpmnXml" :designerForm="designerData.form"
          @save="onSaveDesigner" />
      </el-dialog>
    </el-card>
  </div>
</template>

<script>
import {
  getBpmnXml,
  listModel,
  historyModel,
  latestModel,
  addModel,
  updateModel,
  saveModel,
  delModel,
  deployModel,
  appProcessFormset,
  saveNodeInterface,
  saveAppProcessTitleConfig,
} from "@/api/workflow/model";
import { listCategory } from "@/api/workflow/category";
import ProcessDesigner from "@/components/ProcessDesigner";
import ProcessViewer from "@/components/ProcessViewer";
import { getToken } from "@/utils/auth";

export default {
  name: "Model",
  components: {
    ProcessDesigner,
    ProcessViewer,
  },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 流程模型表格数据
      modelList: [],
      categoryOptions: [],
      title: "",
      open: false,
      form: {},
      // 表单校验
      rules: {
        modelKey: [
          { required: true, message: "模型标识不能为空", trigger: "blur" },
        ],
        modelName: [
          { required: true, message: "模型名称不能为空", trigger: "blur" },
        ],
        category: [
          { required: true, message: "请选择类型", trigger: "change" },
        ],
      },
      designerOpen: false,
      designerData: {
        loading: false,
        bpmnXml: "",
        modelId: null,
        form: {
          processName: null,
          processKey: null,
        },
      },
      designerModelId: null,
      processView: {
        title: "",
        open: false,
        index: undefined,
        xmlData: "",
      },
      // bpmn.xml 导入
      upload: {
        // 是否显示弹出层（xml导入）
        open: false,
        // 弹出层标题（xml导入）
        title: "",
        // 是否禁用上传
        isUploading: false,
        name: null,
        category: null,
        // 设置上传的请求头部
        headers: { Authorization: "Bearer " + getToken() },
        // 上传的地址
        url: process.env.VUE_APP_BASE_API + "/workflow/definition/import",
      },
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        modelKey: null,
        modelName: null,
        category: null,
      },
      currentRow: null,
      history: {
        open: false,
        loading: false,
      },
      historyList: [],
      historyTotal: 0,
      queryHistoryParams: {
        pageNum: 1,
        pageSize: 10,
        modelKey: null,
      },
    };
  },
  created() {
    this.getCategoryList();
    this.getList();
  },
  methods: {
    /** 查询流程分类列表 */
    getCategoryList() {
      listCategory().then((response) => (this.categoryOptions = response.rows));
    },
    /** 查询流程模型列表 */
    getList() {
      this.loading = true;
      listModel(this.queryParams).then((response) => {
        this.modelList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    cancel() {
      this.reset();
      // 关闭dialog
      this.open = false;
    },
    // 表单重置
    reset() {
      this.form = {
        modelId: undefined,
        modelKey: undefined,
        modelName: undefined,
        category: undefined,
        description: undefined,
      };
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.$refs.queryForm.resetFields();
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.modelId);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 部署流程 */
    handleDeploy(row) {
      this.loading = true;
      deployModel({
        modelId: row.modelId,
      })
        .then((response) => {
          this.$modal.msgSuccess(response.msg);
          let obj = { name: "Deploy", path: "/workflow/deploy" };
          return this.$store
            .dispatch("tagsView/delCachedView", obj)
            .then(() => {
              this.$router.push(obj);
            });
        })
        .finally(() => {
          this.loading = false;
        });
    },
    /** 查看流程图 */
    handleProcessView(row) {
      let modelId = row.modelId;
      this.processView.title = "流程图";
      this.processView.index = modelId;
      // 发送请求，获取xml
      getBpmnXml(modelId).then((response) => {
        this.processView.xmlData = response.data;
      });
      this.processView.open = true;
    },
    getHistoryList() {
      this.history.loading = true;
      historyModel(this.queryHistoryParams).then((response) => {
        this.historyTotal = response.total;
        this.historyList = response.rows;
        this.history.loading = false;
      });
    },
    handleHistory(row) {
      this.history.open = true;
      this.queryHistoryParams.modelKey = row.modelKey;
      this.getHistoryList();
    },
    /** 设为最新版 */
    handleLatest(row) {
      this.$modal.confirm("是否确认将此版本设为最新？").then(() => {
        this.history.loading = true;
        latestModel({
          modelId: row.modelId,
        })
          .then((response) => {
            this.history.open = false;
            this.getList();
            this.$modal.msgSuccess(response.msg);
          })
          .finally(() => {
            this.history.loading = false;
          });
      });
    },
    handleCurrentChange(data) {
      if (data) {
        this.currentRow = JSON.parse(data.content);
      }
    },
    handleAdd() {
      this.title = "新增流程模型";
      const dateTime = new Date().getTime();
      this.form = {
        modelKey: `Process_${dateTime}`,
        modelName: `业务流程_${dateTime}`,
      };
      this.open = true;
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.title = "修改流程模型";
      this.form = {
        modelId: row.modelId,
        modelKey: row.modelKey,
        modelName: row.modelName,
        category: row.category,
        description: row.description,
      };
      this.open = true;
    },
    submitForm() {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          if (this.form.modelId !== undefined) {
            updateModel(this.form).then((response) => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addModel(this.form).then((response) => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 设计按钮操作 */
    handleDesigner(row) {
      this.designerData.title = "流程设计 - " + row.modelName;
      this.designerData.modelId = row.modelId;
      this.designerData.modelKey = row.modelKey;
      this.designerData.form = {
        processName: row.modelName,
        processKey: row.modelKey,
      };
      if (row.modelId) {
        this.designerData.loading = true;
        getBpmnXml(row.modelId).then((response) => {
          this.designerData.bpmnXml = response.data || "";
          this.designerData.loading = false;
          this.designerOpen = true;
        });
      }
    },
    onSaveDesigner(
      bpmnXml,
      list,
      nodeList,
      interfaceList,
      titleField,
      tableName
    ) {
      let arr = [];
      if (Object.values(list)?.length) {
        Object.values(list).forEach((item) => {
          arr = [...arr, ...item];
        });
      }
      let nodeArr = [];
      if (Object.values(nodeList)?.length) {
        nodeArr = Object.values(nodeList);
      }
      nodeArr = nodeArr.filter((item) => !!item);
      const interfaceListParams = [];
      if (Object.values(interfaceList)?.length) {
        for (let key in interfaceList) {
          for (let keyChild in interfaceList[key]) {
            interfaceListParams.push({
              taskId: key,
              optType: keyChild,
              apiUrl: interfaceList[key][keyChild],
            });
          }
        }
      }

      this.bpmnXml = bpmnXml;
      let dataBody = {
        modelId: this.designerData.modelId,
        bpmnXml: this.bpmnXml,
      };
      this.$confirm("是否将此模型保存为新版本？", "提示", {
        distinguishCancelAndClose: true,
        confirmButtonText: "是",
        cancelButtonText: "否",
      })
        .then(() => {
          this.confirmSave(
            dataBody,
            true,
            arr,
            nodeArr,
            interfaceListParams,
            titleField,
            tableName
          );
        })
        .catch((action) => {
          // if (action === "cancel") {
          //   this.confirmSave(dataBody, false);
          // }
        });
    },
    async confirmSave(
      body,
      newVersion,
      list,
      nodeArr,
      interfaceListParams,
      titleField,
      tableName
    ) {
      this.designerData.loading = true;
      try {
        await saveModel(
          Object.assign(body, {
            newVersion: newVersion,
          })
        );
        if (list.length) {
          await appProcessFormset(list);
        }
        if (nodeArr.length) {
          await saveNodeApproverProcess(nodeArr);
        }
        if (interfaceListParams.length) {
          await saveNodeInterface(interfaceListParams);
        }
        if (
          !!titleField.fieldTitle?.length && !!tableName
        ) {
          await saveAppProcessTitleConfig({
            processKey: this.designerData.modelKey,
            titleField: JSON.stringify(titleField.fieldTitle),
            tableName,
          });
        }

        // this.designerOpen = false;
        this.designerData.loading = false;
        this.$message.success("保存成功");
        this.getList();
      } catch (error) {
        this.designerData.loading = false;
      }
      // saveModel(Object.assign(body, {
      //   newVersion: newVersion
      // })).then(() => {

      // }).finally(() => {

      // })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const modelIds = row.modelId || this.ids;
      this.loading = true;
      delModel(modelIds).then((res) => {
        if (res.code === 200) {
          this.getList();
          this.$modal.msgSuccess("删除成功");
          this.loading = false;
        }
      }).finally(() => {
        this.loading = false;
      });
      // this.$modal
      //   .confirm('是否确认删除模型编号为"' + modelIds + '"的数据项？')
      //   .then(() => {
      //     this.loading = true;
      //     return delModel(modelIds);
      //   })
      //   .then(() => {
      //     this.loading = false;
      //     this.getList();
      //     this.$modal.msgSuccess("删除成功");
      //   })
      //   .finally(() => {
      //     this.loading = false;
      //   });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download(
        "workflow/model/export",
        {
          ...this.queryParams,
        },
        `wf_model_${new Date().getTime()}.xlsx`
      );
    },
    /** 导入bpmn.xml文件 */
    handleImport() {
      this.upload.title = "bpmn20.xml文件导入";
      this.upload.open = true;
    },
    // 文件上传中处理
    handleFileUploadProgress(event, file, fileList) {
      this.upload.isUploading = true;
    },
    // 文件上传成功处理
    handleFileSuccess(response, file, fileList) {
      this.upload.open = false;
      this.upload.isUploading = false;
      this.$refs.upload.clearFiles();
      this.$message.success(response.msg);
      this.getList();
    },
    // 提交上传文件
    submitFileForm() {
      this.$refs.uploadForm.validate((valid) => {
        if (valid) {
          this.$refs.upload.submit();
        }
      });
    },
    categoryFormat(row, column) {
      return (
        this.categoryOptions.find((k) => k.code === row.category)
          ?.categoryName ?? ""
      );
    },
    submitSave() {
      this.getList();
    },
  },
};
</script>
